Need help with configurable usb loader and wad manager !

I know absolutely nothing about this. I got my wii modded by someone else. So all this stuff is like a different language to me.

I use homebrew and then Configurable USB loader. (SD/USB Loader CFG) to play all of my games. When i tried to open that up, it says ERROR: Custom IOS 249 is a stub! Please reinstall it.

I go into WAD manager (also on the homebrew channel) (v1.4) and try to go into IOS 249. when it says press A to continue, i press A and the wii freezes and my remote disconnects, the lights shut off on the remote. I am forced to unplug/plug back in my wii.

After some research, I downloaded wad 1.7 and dragged it to the apps folder on my sd card. when I go into WAD manager. i click IOS36, and then USB Mass storage device. it says mounting device... ERROR (ret = -1)

So i select the wii sd slot, and see the wad manager 1.7 in hopes to install it. when i try to do that, it says Installing ticket... ERROR! Ret = -4100